Current Electricity Test

Result

Current Electricity Test - 110

Score
-
out of -
Rank
-
out of -

TIME Taken - -

SHARING IS CARING

If our Website helped you a little, then kindly spread our voice using Social Networks. Spread our word to your readers, friends, teachers, students & all those close ones who deserve to know what you know now.

Weekly Quiz Competition

Question 1
4 / -1

As the switch S is closed in the circuit shown in figure, current passing through it is

A
4.5 A

B
6.0 A

C
3.0 A

D
Zero

Solution
Question 2
4 / -1

A
9.9 Ω

B
11 Ω

C
8.8 Ω

D
7.7 Ω

Solution
Question 3
4 / -1

The reading of the ideal voltmeter in the adjoining diagram will be

A
4 V

B
8 V

C
12 V

D
14 V

Solution
Question 4
4 / -1

If voltage across a bulb rated 220 Volt – 100 Watt drops by 2.5% of its rated value, the percentage of the rated value by which the power would decrease is

A
20 %

B
2.5 %

C
5 %

D
10 %

Solution
Question 5
4 / -1

A ring is made of a wire having a resistance R₀ = 12 Ω. Find the points A and B as shown in the figure, at which a current carrying conductor should be connected so that the resistance R of the sub circuit between thesepoints is equal to 8/3 Ω

A

B

C

D

Solution
Question 6
4 / -1

Which of the adjoining graphs represents ohmic resistance?

A

B

C

D

Solution
Question 7
4 / -1

Variation of current passing through a conductor as the voltage applied across its ends is varied as shown in the adjoining diagram. If the resistance (R) is determined at the points A, B, C and D, we will find that

A
R_C = R_D

B
R_B> R_A

C
R_C> R_B

D
None of these

Solution
Question 8
4 / -1

From the graph between current I and voltage V shown below, identify the portion corresponding to negative resistance

A
AB

B
BC

C
CD

D
DE
Question 9
4 / -1

The resistance R₁ of a conductor varies with temperature t as shown in the figure. If the variation is represented by R_t = R₀ [1 + αt + βt²], then

A
α and β are both negative

B
α and β are both positive

C
α is positive and β is negative

D
α is negative and β is positive

Solution
Question 10
4 / -1

A long straight wire of a circular cross-section (radius a) carries a steady current I and the current I is uniformly distributed across this cross-section. Which of the following plots represents the variation of magnitude of magnetic field B with distance r from the centre of the wire?

A

B

C

D

Solution